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短切纤维改善SiO2气凝胶性能的研究进展

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  • 南京玻璃纤维研究设计院有限公司,南京210012
崔军(1982-),男,硕士,高级工程师,主要从事复合材料、绝热材料评价与标准化的研究,E-mail:13770506443@163.com。

收稿日期: 2020-07-04

  修回日期: 2021-06-29

  网络出版日期: 2021-11-02

基金资助

国家新材料测试评价平台(复合材料行业中心)(TC 190H3ZW-3)

Research progress on chopped fiber improving property of silica aerogel

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  • Nanjing Fiberglass Research and Design Institute Co.,Ltd.,Nanjing 210012

Received date: 2020-07-04

  Revised date: 2021-06-29

  Online published: 2021-11-02

摘要

SiO2气凝胶力学性能差、导热系数在高温条件下上升迅速的缺陷限制了其替代传统保温材料的发展进程。通过纤维复合的方式制备的纤维增强型复合材料有效地改善了SiO2气凝胶的力学和保温隔热性能,拓宽了其应用范围,是目前的研究热点之一。针对现有的研究成果,介绍了以短切纤维为增强相制备SiO2气凝胶复合材料的工艺流程和纤维增强机理,综述了不同类型短切纤维改善SiO2气凝胶力学和保温性能的研究进展,并对未来主要发展方向进行了展望。

本文引用格式

崔军, 丁晴, 王佳庆 . 短切纤维改善SiO2气凝胶性能的研究进展[J]. 化工新型材料, 2021 , 49(10) : 223 -227 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.10.047

Abstract

The defects of poor mechanical property and rapid rise of thermal conductivity under high temperature restrict the development process of replacing traditional thermal insulation materials.The fiber-reinforced composite prepared by the fiber composite method greatly improves the mechanical and thermal insulation properties of SiO2 aerogel,which is helpful to broaden its application.The preparation method and the mechanism of fiber reinforcement of SiO2 aerogel composites were presented,and the research progress of different types of chopped fibers in improving the mechanical and thermal insulation properties of SiO2 aerogel was reviewed.In addition,the further prospect was discussed.

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